edited by Fred E. Dohrs and Lawrence M. Sommers
Thomas Y. Crowell, 1969
Buku Teks
Getis, Arthur, author
McGraw-Hill, 2000
Buku Teks
Getis, Arthur, author
McGraw-Hill Higher Education, 2009
Buku Teks
by Arthur Getis ... [and others]
McGraw-Hill, 2011
Buku Teks
Kendall, Henry M., author
Harcourt, Brace, 1958
Buku Teks